1
widower;divorced man not remarried
See also:
女やもめ (おんなやもめ)
妻が死んだ男の人は男やもめと呼ばれます。
A man whose wife is dead is called a widower.
2
(long-term) bachelor
Other forms
男寡 【おとこやもめ】 · 男鰥 【おとこやもめ】 (rarely used kanji form)